201912230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 417348288

約数和(自身を除く): 215436058

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 211, 221, 422, 433, 442, 866, 1055, 1105, 2110, 2165, 2210, 2743, 3587, 4330, 5486, 5629, 7174, 7361, 11258, 13715, 14722, 17935, 27430, 28145, 35870, 36805, 46631, 56290, 73610, 91363, 93262, 95693, 182726, 191386, 233155, 456815, 466310, 478465, 913630, 956930, 1187719, 1553171, 2375438, 3106342, 5938595, 7765855, 11877190, 15531710, 20191223, 40382446, 100956115, 201912230]

約数ペア:

[(1, 201912230), (2, 100956115), (5, 40382446), (10, 20191223), (13, 15531710), (17, 11877190), (26, 7765855), (34, 5938595), (65, 3106342), (85, 2375438), (130, 1553171), (170, 1187719), (211, 956930), (221, 913630), (422, 478465), (433, 466310), (442, 456815), (866, 233155), (1055, 191386), (1105, 182726), (2110, 95693), (2165, 93262), (2210, 91363), (2743, 73610), (3587, 56290), (4330, 46631), (5486, 36805), (5629, 35870), (7174, 28145), (7361, 27430), (11258, 17935), (13715, 14722)]